[sage-support] Re: problem of using surf in SAGE online server 2

2008-09-20 Thread pong
Hi Mike, It works for my case. Thanks! Pong On Sep 20, 4:02 pm, "Mike Hansen" <[EMAIL PROTECTED]> wrote: > Hello, > > On Sat, Sep 20, 2008 at 3:47 PM, pong <[EMAIL PROTECTED]> wrote: > > >    Thanks for the reply. If I want plot an algebraic curve using > > SAGE, what should I do then? Any

[sage-support] Re: problem of using surf in SAGE online server 2

2008-09-20 Thread Mike Hansen
Hello, On Sat, Sep 20, 2008 at 3:47 PM, pong <[EMAIL PROTECTED]> wrote: > > >Thanks for the reply. If I want plot an algebraic curve using > SAGE, what should I do then? Any suggestion? For the above example, I would do something like: sage: var('x1,x2') (x1, x2) sage: implicit_plot(x1^3 -

[sage-support] Re: problem of using surf in SAGE online server 2

2008-09-20 Thread pong
Thanks for the reply. If I want plot an algebraic curve using SAGE, what should I do then? Any suggestion? Pong On Sep 20, 1:58 pm, mabshoff <[EMAIL PROTECTED] dortmund.de> wrote: > On Sep 20, 11:37 am, pong <[EMAIL PROTECTED]> wrote: > > Hi Pong, > > > > > I tried the example > > > sage: s

[sage-support] Re: problem of using surf in SAGE online server 2

2008-09-20 Thread mabshoff
On Sep 20, 11:37 am, pong <[EMAIL PROTECTED]> wrote: Hi Pong, > I tried the example > > sage: s = singular.eval > sage: s('LIB "surf.lib";') >       ... > sage: s("ring rr0 = 0,(x1,x2),dp;") >       ... > sage: s("ideal I = x1^3 - x2^2;") >       '' > sage: s("plot(I);") > > inhttp://www.dms.u